SWISCO - The Replacement Hardware Authority

Can you help me replace my balance?

A quick learner from Indianapolis says:
I need to replace two channel balances. Both are labeled 26 4 FP Caldwell. They are 27 inches long. Pictures of the plastic attachments are attached. Thank you for the helpful video on how to remove the channel balance.
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
This looks a lot like our S385-27. Do you agree? Make sure to carefully compare all the dimensions we show, especially that of the bottom shoe. Let me know!
A quick learner from Indianapolis says:
How do I know if it is the S380-27 or the S385-27. They both look exactly the same to me. Also, the top attachment looks slightly different to me. Will it still work properly?
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Did you compare the dimensions of your bottom shoe, like I mentioned above? The Series 385 uses our 15-004 shoe, while our Series 380 uses our 15-005. Carefully compare the dimensions shown in the picture below to your own hardware and let me know which is closer.
15-004 and 15-005


As for the top attachment, I think our 19-005 is a good match. The slight difference in style shouldn't matter.
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